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CVE-2026-105133 is an improper authentication vulnerability in the checkSysPwd function of the AhsayCBS API component. Manipulation of the random argument bypasses authentication controls and permits unauthorized access to protected API functionality. AhsayCBS versions through 10.3.2 are affected, and public exploit code is available. The vulnerability has been exploited in conjunction with CVE-2026-105134 to obtain operating system command execution. Version 10.3.4 is identified as fixed in advisories, but conflicting exploitation reports indicate that it remains vulnerable.
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No public exploit code observed for this vulnerability.
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35 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authentication bypass vulnerability in the AhsayCBS backup management platform with a publicly available exploit. Attackers chained it with CVE-2026-105134 to compromise at least five organizations, deploy JSP webshells, and install XMRig. Although reportedly fixed in version 10.3.2, Huntress confirmed that the latest version, 10.3.4, remains vulnerable; no effective patch was available at publication.
An improper-function-argument vulnerability in AhsayCBS, actively chained with CVE-2026-105134 to bypass authentication and execute operating system commands. The content does not separately explain CVE-2026-105133's individual mechanism. Attacks have targeted at least five companies and deployed webshells and cryptocurrency miners. Versions up to 10.3.2 were initially identified as affected; version 10.3.4 was subsequently confirmed vulnerable.
An improper authentication flaw in AhsayCBS that attackers chain with CVE-2026-105134 to bypass authentication and execute arbitrary commands. Exploitation reportedly began October 7, 2026, with five organizations affected as of October 8. Attackers deployed web shells and XMRig miners. Huntress reported that version 10.3.4 remains vulnerable despite NVD statements that it fixes the issues.
A medium-severity improper authentication vulnerability in AhsayCBS's checkSysPwd function. Attackers chained it with CVE-2026-105134 to compromise backup servers, deploy a JSP webshell, and run an XMRig cryptocurrency miner. Versions up to 10.3.2 are affected; version 10.3.4 is not vulnerable. Huntress observed exploitation beginning on 7 October 2026.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.